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1977 Cessna 421C Golden EagleMulti-Engine Piston Aircraft • Irvine, California

This 1977 Cessna 421C Golden Eagle, registration N6633T (serial number 421C-0277), is a pressurized piston twin offered via aircraft auction by AirSpace Auctions. The airframe shows 4,220.2 total time. The listing states no incidents reported based on NTSB and FAA data, with no damage history noted, and all logbooks are present and consistent with active periods. The most recent annual was completed February 3, 2026. Known flaws and known corrosion are both listed as none noted. The aircraft is located in Chino, California, and is described as always hangared.

Power comes from Continental GTSIO-520L engines rated at 310 horsepower each. The...

Year
1977
Make
Cessna
Series
421 Golden Eagle
Model
421C Golden Eagle
Tail #
N6633T
Serial #
421C-0277

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
2,177 lbs
Seats
8

Hours, Logs & Inspections

Total Time
4,220.2 hrs
Engine 1 Time
927.6 hrs (SMOH)
Engine 2 Time
315.7 hrs (SMOH)
Prop 1 Time
61.7 hrs (SMOH)
Prop 2 Time
61.7 hrs (SMOH)
Logbook Status
All present, logbooks consistent with active periods
Inspection Status
A very complete and timely annual inspection was completed. During the inspection, two cylinders on the 920-hour engine were found to be on the low side and were replaced with RAM-supplied overhauled cylinders. These have since been flown and broken in according to RAM instructions. The annual also included replacing brake discs, pucks, and calipers with new replacements, new tires, a new main battery, and numerous smaller items, making this aircraft ready to go to work for the new buyer. Annual was signed off January 2026.

Avionics

GPS

Garmin 750 - Panel-mounted dual-screen Glass Flight Display System (PFD/MFD); GTN Primary Multi-Function Display Navigation Unit; KNS Integrated RNAV Receiver

Comms

Collins VHF25T - NAV Receiver; COMM Transceiver; COMM Transceiver; NAV Interface Adapter; Historical Log Entry

AP

Cessna Navomatic - Autopilot Flight Director Control System; ARC Autopilot Pitch Converters Amplifiers

ADSB

Garmin GTX335 - GTX Mode S Transponder w/ ADS-B Out (S/N 3EG027629)

ADS-B In

Garmin GTX335 - GTX Mode S Transponder w/ ADS-B Out (S/N 3EG027629)

EMS

Insight - Multi-Cylinder Temperature Management Indicator; Cessna OEM Dual Tachometer; Cessna OEM Dual Gauge Dual Manifold Pressure Indicator; Cessna OEM Dual Gauges Vital Displays; Cessna OEM Standard Main Auxiliary Level Gauges

Audio

Garmin GMA 35c - GMA Integrated Remote Audio Panel with Bluetooth; Audio Marker Receiver

PFD

Garmin G600 - Panel-mounted dual-screen Glass Flight Display System (PFD/MFD)

MFD

Garmin G600 - Panel-mounted dual-screen Glass Flight Display System (PFD/MFD)

Additional Equipment

Air Conditioning

Freon Air Conditioning

Oxygen System

Fire Detection/Extinguishing

Nacelle Fire Detection & Extinguishing System

Fuel System

Long-Range Fuel System (262 Gallons)

Directional Gyro with Decision Height Light

Flight Into Known Icing (FIKI)

FIKI equipped; Heated Windshield, Prop De-Ice

Auxiliary Fuel

Aero-Sport Wing Locker Fuel Cell - New

Rosen Visors

Concorde Battery

Emergency Locator Transmitter (ELT)

MERL BP1010 - MERL Tested IAW 14 CFR 91.207(d)

Interior & Exterior

Interior Rating
10/10
Interior Year
2026
Paint Rating
7/10
Paint Year
2011
Interior Notes
In January, a completely new interior was completed while doing the very extensive annual inspection. Beautiful tan leather seats with pilot and co-pilot seats done in lambswool. New side panels with fabric inserts, new cream-colored headliner, beautiful light tan wool carpet, dual warm burlwood veneer executive tables, and dividers.
Exterior Notes
In the past 5 years: new tinted heated pilot windshield, new co-pilot windshield, and all new side windows. All windows are in very nice condition. Paint was done in 2011 and remains nice and glossy with only minor exceptions.

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
GTSIO-520-L
Engine Power
310 HP
Propeller Model
McCauley 3FF32C501-AB

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Aircraft Location

Irvine, California

Listing Details

Used
For Sale

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First Seen: Oct 31, 2025

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